Connection Between Wave Functions in the Dirac and Foldy-Wouthuysen Representations
Alexander J. Silenko
Abstract
The connection between wave functions in the Dirac and Foldy-Wouthuysen representations is found. When the Foldy-Wouthuysen transformation is exact, upper spinors in two representations differ only by constant factors, and lower spinors in the Foldy-Wouthuysen representation are equal to zero.
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